Home / 724,027.15-1,086,216.30-218,557.93

Finding the Fourth Proportional to 724,027.15, 1,086,216.30 and 218,557.93

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Solution

The fourth proportional to 724,027.15, 1,086,216.30 and 218,557.93 is: 327,889.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,027.15 : 1,086,216.30 = 218,557.93 : x
  2. Step 2: Convert to fraction form
    724,027.15/1,086,216.30 = 218,557.93/x
  3. Step 3: Cross multiply
    724,027.15x = 1,086,216.30 × 218,557.93
  4. Step 4: Simplify right side
    724,027.15x = 237,401,180,082.78
  5. Step 5: Solve for x
    x = 237,401,180,082.78/724,027.15
  6. Step 6: Final answer
    x = 327,889.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.